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The H.C.F. of a2bx + ab2x and a2b - b2 is

Mathematics
JAMB 1990
The H.C.F. of a2bx + ab2x and a2b - b2 is
  • A. b
  • B. a + b
  • C. b(a \(\div\) b)
  • D. abx(a2 - b2)
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Correct Answer: Option B
Explanation
a2bx + ab2x; a2b - b2

abx(a + b); b(a2 - b2)

b(a + b)(a + b)

∴ H.C.F. = (a + b)
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